Homelite UT41799 Operator's Manual page 13

SPOOL REPLACEMENT
See Figure 12.
Use only .065 in. (1.65 mm) diameter monofilament string.
Use original manufacturer's replacement string for best
performance.
 Unplug the string trimmer.
 Push in tabs on side of spool retainer.
 Push spool retainer up to remove.
 Remove string head.
 To install the new spool, make sure the two strings are
captured in the slots opposite each other on the new
spool. Make sure the end of each string is extended
approximately 6 in. beyond each slot.
 Thread the strings into the eyelets in the string head.
 Reinstall the spool retainer by depressing tabs into slots
and pushing down until spool retainer clicks into place.
STRING REPLACEMENT
See Figures 13 - 14.
 Unplug the string trimmer.
 Remove the spool from the string head.
NOTE: Keep the spring attached to the spool. Remove
any old string remaining on the spool.
 Remove plastic retainer with a flat head screwdriver.
 Cut two pieces of string, each being approximately 9
ft. (2.7 m) long. Use only .065 in. (1.65 mm) diameter
monofilament string.
 Insert the first string into the anchor hole in the upper part
of the spool. Wind the first string around the upper part of
the spool counterclockwise, as shown by the arrows on
the spool. Place string in the slot on upper spool flange,
leaving about 6 in. (152 mm) extended beyond the slot.
Do not overfill. After winding the string, there should be
at least 1/4 in. (6 mm) between the wound string and the
outside edge of the spool.
 Repeat above step with second string, using the bottom
part of spool. Do not overfill.
 Replace the plastic retainer, spool, and the spool retainer.
Refer to "Spool Replacement" earlier in this manual.
STORING THE TRIMMER
(1 MONTH OR LONGER)
 Depress telescoping boom button and set at shortest
setting.
 Clean all foreign material from the trimmer.
 Store it in a place that is inaccessible to children.
 Keep away from corrosive agents such as garden
chemicals and de-icing salts.
MAINTENANCE
SPOOL
RETAINER
SLOTS
SPRING
ARROWS ON
SPOOL
ANCHOR
Page 13
EYELETS
HOLE
TABS
STRING
HEAD
Fig. 12
FLAT HEAD
SCREWDRIVER
PLASTIC
RETAINER
Fig. 13
SPOOL
FIRST STRING
Fig. 14